Conversing dolls

ABSTRACT

Two or more dolls with speech synthecizing systems appear to intelligently converse while signaling each other via a radio frequency transmission to indicate what has been spoken, and to request a response which is intelligent with respect to the synthecized speech of the first doll.

FIELD OF THE INVENTION

This invention relates to talking toys such as dolls, and more particularly, relates to two or more of such toys which may simulate intelligent conversation on a random basis.

BACKGROUND OF THE INVENTION

Since the mid-1800's, talking dolls have been known. These early dolls were two types. One with a string activated wood and paper bellows said "Mama" or "Papa". The other relied on a weight activated cylindrical bellows with holes along one side to emit a crying sound when moved. Some dolls are still made this way today. In the 1890's a doll known as the "Jumeau Bebe and a Phonographe" told jokes, spoke phrases like "Hello, my dear little Mommie", using a mechanism designed by Thomas Edison, which was a wax cylinder recording activated by a key wound clockwork-like mechanism. In the early 1900's, a doll known as "Dolly" sang and recited nursery rhymes. These dolls also used cylindrical recordings, but the recordings were probably on plastic or rubber cylinders. In 1960, a doll known as "Chatty Kathy" was introduced which had a repetoire of eleven to twenty-two phrases. The voice mechanism was operated by a pull string which activated a miniature phonograph disc that played back pre-recorded phrases.

Over the years, there have been many efforts to make a doll more lifelike and communicative with its owner U.S. Pat. No. 3,293,794 discloses an animated talking doll with a mouth actuating mechanism. Eye and lip movements were coordinated with a phonographic means for reproducing speech. U.S. Pat. No. 3,315,406 proposed an improved mechanism for coordinating the movements of the jaw with a phonograph. U.S. Pat. No. 3,745,696 disclosed a doll in which there were multiple animations in the face.

More recently, it has been proposed to combine a cassette recording in a doll which includes signals thereon which will synchronously control the movement of the mouth of the doll, as the recorded phrases are reproduced. It has further been proposed to have two dolls with cassette recordings therein which will appear to simulate intelligent conversation. These last mentioned dolls have also been provided with mouth actuating means which move the mouth in synchronism with the recorded speech.

A drawback with these dolls is that they are not interactive with the child. Some toy manufacturers maintain that the talking dolls improve the play value for children between three and nine years. Some child psychologists and parents disagree, stating that these dolls do nothing to stimulate a child's imagination. The result is that children are reduced to reacting to a toy passively, much like watching television.

A professor of child development at a leading university has stated that talking toys serve to try to get kids to have a more limited dialogue with themselves. A child development specialist in the Pediatrics Department of a West Coast hospital observed that children often turn off their high tech dolls. This specialist has stated that when he goes through the rooms of a pediatric center, he rarely hears children playing with them. Initially, the children are fascinated, but when the thrill wears off, young children use them in their own way, much as a snuggly teddy bear. Kids need toys which inspire their imagination.

The loss of interest of the child in the speaking ability of a toy is believed to be due to the repetitious nature in which the toys speak. Children soon become cognizant of the repetitive nature of the vocabulary and lose interest.

Accordingly, the present invention provides talking dolls using speech synthesizers which provide a simulated conversation between dolls and accordingly provide interaction between the doll's owners. The dolls utilize randomly selected phrases in response to a phrase spoken by another doll, and do not appear to be repetitious.

SUMMARY OF THE INVENTION

A single doll embodying the invention is provided with a speaking system which includes a central processing unit (CPU), a read only memory (ROM) having digital data indicative of speech stored therein and a speech synthesizer, including an audio amplifier which will amplify speech phrases selected from the ROM and apply the synthesized speech to a speaker. The doll's vocabulary is selected such that it can be concatenated into phrases for establishing what is referred to as a routine, and various sessions of speech within each routine. Additionally, the synthesized speech is made responsive to various positions of the doll or the actuation of certain sensors on the doll, or even the motion of the doll.

A doll embodying the invention is capable of interacting speechwise with other dolls and thereby providing interaction of the children who own the dolls. Logic systems of the dolls are so arranged that a multiplicity of dolls may engage in a network of speech. A doll may periodically initiate a signal, determine if a similar doll is within its broadcast range, and if this is detected, the dolls will engage in a routine of simulated conversation which is divided into succeeding sessions. In the case where two dolls are present, determination is made of who will be the speaker and who will be the responder for a first session. After such first session, another determination is made of who will be speaker and who will be responder for the next session in this routine. The third, fourth or more dolls which are present during a sequence will be listeners and provide occasional responses; however, the third, fourth or other dolls, upon beginning of the next session, may become the speakers and/or responders, and the previous speaker and responder may then become listeners.

This selection of who is speakers and responders is done in a random fashion, so it will appear to the owners of the dolls that all dolls are engaging in the simulated conversation.

At the beginning of a session, the first doll to send its RF signal message is referred to as the "A" doll. The "A" doll will randomly select a routine in its memory and broadcast a radio frequency signal identifying the routine and other data hereinafter described. The first of the other dolls, dependent upon a random basis, to respond to the first doll, will become the responder or "B" doll, and any remaining dolls will then be listeners for that session within the routine. In this manner, there will be no confusion or collisions between the spoken words of the dolls.

Additionally, an "A" doll, after selecting simulated speech, will then transmit a binary coded signal over a radio frequency transceiver. This binary coded signal will be picked up by the randomly selected "B" doll, and compared with that sequence of the routine selected by the "A" doll. The memory of the "B" doll will contain a plurality of possible responses, which may be selected on a random or predetermined basis and then the selected answer is transmitted on the radio frequency transceiver of the "B" doll. This may complete a session within a routine, at which time all dolls in the network may randomly generate a signal to determine who will be the next "A" doll, as will hereinafter be described. However the session may include additional transmissions by both dolls together with literal communication.

An object of this invention is to provide new and improved logic systems for dolls which may interact with their owner, or which may interact with another doll, and not provide redundant or repetitious conversation, such that the child or children will not quickly tire of the simulated intelligent conversations between the dolls.

Another object of this invention is to provide a system of the type described in which all dolls in a network of two or more dolls have the opportunity to be a speaker and a responder for the next session, so that each owner of a doll may obtain the thrill of her doll being the "A" doll or the speaker.

A further object of this invention is to provide dolls of the type described having speech synthesizing and audio systems together with inter-doll communication systems which are of simplified construction and readily programmable.

The features of the invention which are believed to be novel are particularly pointed out and distinctly claimed in the concluding portion of the specification. The invention, however, together with further objects and advantages thereof, may best be appreciated by reference to the following detailed description taken in conjunction with the drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1a and 1b are a block diagram of the logic systems of two dolls embodying the invention;

FIG. 2 is a timing diagram exemplifying steps of operation of the systems of FIGS. 1a and 1b;

FIGS. 3 and 4 are logical block diagrams exemplifying steps of selecting dolls for speech;

FIG. 5 is a block diagram of a microprocessor used in the invention.

DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS OF THE INVENTION

Referring now to FIG. 1a and 1b, each doll includes a speech synthesizing system 10, which includes a central processing unit (CPU) 11 in the form of a microprocessor, a read only memory (ROM) 12, shown as coupled directly to the microprocessor although it could be coupled to the microprocessor through a speech synthesizer 13. The speech synthesizer will generally include an audio amplifier which provides an output to drive a speaker 14. As will hereinafter be described, the speaker 14 may also act as a microphone or a separate microphone may be provided. A combination of the CPU, ROM and speech synthesizer are disclosed in U.S. Pat. No. 4,331,836, assigned to Texas Instruments, Inc. However, the various components shown in FIG. 1, that is the CPU, ROM, speech synthesizer, and audio amplifier, may be defined on a single integrated circuit chip. In fact, such a chip is utilized in practicing the present invention and is identified by its manufacturer Texas Instruments, Inc. as a TMS50C44 chip. The CPU of FIG. 1 communicates with a radio frequency (RF) transceiver 15, which may receive a binary coded message from another doll, or may transmit a binary coded message to all other dolls in a network.

The CPU's also receive as other inputs four position sensing inputs, a sound level input, and a push button switch input. As will hereinafter be described, the doll will have routines, depending on the various inputs.

All direct communication between the units is by radio frequency (RF) transmission of binary coded data. However, the dolls will appear to be audibly speaking to each other.

Data is transmitted as if it were a letter within a frame envelope. A frame envelope is a series of binary bytes transmitted in serial fashion as hereinafter explained.

There will be stored in the ROM's of every unit a vocabulary in ordered routines and sessions. The term "routine" refers to predetermined orders of conversation between the interactive units. The term "session" is a subdivision of a routine. The unit which initiates a routine randomly picks a routine, identifies each routine which it randomly selects, and includes a routine memory. This routine memory prevents the same routine from being randomly chosen again until four other routines have been experienced.

Set forth in Table I below is the content of a frame envelope which comprises nine eight bit bytes.

                  TABLE I                                                          ______________________________________                                         Byte No.      Bytes                                                            ______________________________________                                         1             Preamble                                                         2             Preamble                                                         3             Destination                                                      4             Source                                                           5             Frame Type (FT)                                                  6             Phrase Code                                                      7             Phrase Code                                                      8             Routine and Session No.                                          9             Positive or Negative Response                                    ______________________________________                                    

As shown, a transmission comprises nine bytes. Each transmission comprises nine bytes in an ordered array. The first two bytes are preamble bytes and represent timing signals. The third byte identifies the responding doll. The fourth byte identifies the initiating doll. The fifth byte identifies the type of transmission, as will be hereinafter explained. The sixth and seventh bytes are "phrase codes" and identify the literal phrase which will be spoken next by the transmitting doll. The eighth byte identifies the routine and the session number within the routine. The ninth byte identifies whether the response is to be positive or negative; and the tenth and eleven bytes are for optional information, dependent upon the routine or other circumstances.

Each byte has eight bits. Each byte is proceeded by a zero level signal and terminated by a one level signal so that the receiver may count the bits in each byte.

FIG. 2 is a timing diagram of the conversation that will go on between units. At time t1, what will be referred to as an "A" unit initiates a frame type 1 (FT1). The "A" unit will hereinafter referred to as the speaker, and a "B" unit will be referred to as a responder.

When there are more than two units in the network, the potential responders will have to determine who will be the actual responder. The speaking unit A will send a message as identified in FIG. 2 with all information therein except as to byte 3, since it does not know who, at that point, the responding unit will be. If there are more than one responding units, the responding unit as will hereinafter be described will determine who the principal responder or unit B is to be. This will occupy the time between t₂ and t₃. When unit B has been determined, it will transmit a signal as shown in FIG. 2, in which it identifies itself in such frame transmission (FT2) and will identify only unit A as the source. Units in a network respond only if they have been identified as a speaker or a primary responder. However, a C unit may make some response. Therefore, after unit A and unit B, all others potentially in the network, will be C units. At this point, the speaker, unit A, and the primary responder, unit B, have been identified and all others have been locked out from primary speech. Unit B will send an FT2 signal back to unit A, which is received at time t₄. The format of the message will be as shown in Table I, but in byte 3, the unit B has now been identified, so in byte 5, the frame type has now been identified as FT2, so the primary network has been set up between unit A and unit B. At time t₅, unit A, will now utter literal speech in audio form which is audibly apparent to the owners of the participating dolls, and shortly thereafter, between time t₅ to t₆, will convey a message denoted as FT3 to unit B. The message FT3 will be in the format as shown in Table I, and will identify the selected B unit in byte 3; the sending unit in byte 4; the type of transmission FT3 in byte 5; and phrase codes and instructions for response in bytes 8 and 9. In doing so, it will identify the routine and session number and whether it wants a positive or negative response. This is received by unit B at time t₈. At this time, unit B will have a possibility of more than one response, which is intelligible to the words of the A doll, and the response is chosen on a random basis and broadcast vocally and literally at time t₉ -t₁₀. At time t₁₁, the B unit will make another transmission which will identify to unit A and any other units in the network the identification of response which it has given. This will be received by unit A at time t₁₂ as a FT4 transmission. All FT4 transmissions are closely accompanied by or shortly succeed a literal statement of synthesized speech, and the transmission FT3 will identify to unit A the response during this session of a routine.

In FIG. 2, only one transmit FT3 and one return FT4 transmission has occurred. However, depending upon the routines, there may be two or more FT3 and FT4 transmissions between units A and B during a session.

Dependent upon the programming of a session, when the session is concluded, unit A will transmit an FT5 message. This will be indicated in byte 5 of Table I. An FT5 transmission is an indication that the session has been terminated and a new session is to start. Alternatively, if the concluded session is the last session of a routine, a new routine will be selected as hereinafter explained.

The A doll is selected on a random basis. When a doll sends an initiating or a HRE (hand raising event) signal, all operative dolls within receiving range generate a random number in a random number generator 17. Refer to FIG. 3. This number is loaded into a counter 18 which randomly selects a speech routine from a routine register 19. The counter is decremented by clock pulses toward zero. If no transmissions have been received when the counter reaches zero as sensed by a gate 20, the doll will load the selected routine and initiate an FT1 transmission. While FIG. 3 and FIG. 4 are shown in hardware form, their function may be performed by software instructions.

The following Table II sets forth a routine termed "Pretend". This routine will be discussed for purposes of illustration.

At the top of the table, the Routine Number is displayed in parentheses followed by the name of the Routine or Interrupt.

Within each routine, all doll speech is divided into a number of Dialogue Headings. Each heading is underlined and followed by a colon : the specific phrases and sentences that a doll can speak are displayed directly below it. Headings that are indented one tab indicate dialogue spoken in single doll play or dialogue spoken by doll A in multi-doll play. Headings indented two tab spacings indicate dialogue spoken only in multi-doll play. A phrase number is associated with each heading.

If a sensor or sensors are to be checked after a phrase or sentence is spoken, the appropriate sensor(s) are indicated as part of the dialogue heading in parentheses in upper/lower case. If only one sensor is to be checked, but that sensor is dependent upon the dialogue spoken, the potential sensor checks are each separated by a colon.

Any dialogue that is dependent upon a sensor check is indicated with the sensor result in upper case lettering in parentheses as part of the dialogue heading. Dialogue that can be spoken in multi-doll play is indicated by the doll's designated part A, B, or C in < > following the dialogue heading after the colon. For doll C parts, the type of chorus response is also indicated--unison, scattered, or staggered. The C dolls may speak dependent on the routine.

Under each dialogue heading, the following symbols and conventions are used to indicate how phrases from the Concatenation List are chosen, put together, and spoken to create doll speech: Phrases are grouped either into tables of various column lengths or as concatenated sentences. A blank line between each table or sentence within a dialogue heading indicates an alternate speech selection. The doll chooses randomly with equal probability what it will say from one of the alternatives.

Phrases which are grouped into columns are selected randomly, one phrase from each column and concatenated together to form a spoken "sentence". Each phrase within a column has an equal probability of being selected.

The use of square brackets [ ] is two-fold. They are used to indicate alternate phrases within a column; or, if used at the top of a column of phrases, they indicate that the column itself is optional (equivalent to a null entry within that column).

A slash / between words indicates a concatenation between doll phrases (from the concatenation list).

Parentheses () indicate either a sound effect from the Concatenation List or a programme's note.

A pair of asterisks * * indicate that one of the designated word lists from the vocabulary or concatenation list is being called or used.

A period . is used to indicate the end of a sentence (and a phrase).

Question marks ?, exclamation marks !, and underlining are used in some phrases to indicate word emphasis and also as guidelines to actual speech.

A set of four dots . . . is used to indicate the continuation sentence or a table listed directly above within the dialogue heading

A Hand Raising Event, HRE, in multi-doll play is indicated by =HRE=.

                                      TABLE II                                     __________________________________________________________________________     PRETEND ROUTINE NO.                                                            __________________________________________________________________________     SESSION I                                                                      (1) INTRO: <A>                                                                     Y'know what?                                                                             It's fun / to play pretend. / Isn't it?                              [(sig. phrase)]                                                                          [Do you like / playing pretend. / I do!]                                       [I really like / playing pretend. / Don't                                      you?]                                                            (2) + INTRO RESPONSE: <B & C -staggered>                                                 Yeah!  [It's / great!]                                                         [Ok]   [I just love / playing pretend].                                        [Sure] [Let's play].                                                                  [That's / so much fun].                                                        (giggle)]                                                     (3) - INTRO RESPONSE: <B & C - unison>                                                   No way!                                                                        [Nope]                                                                         [I don't like / playing pretend.]                                              [Not me]                                                             SESSION II                                                                     (4) SUGGESTION (Bounce Sensor): <A>                                            I've got an idea!                                                                        Let's pretend                                                                           We're on a plane and we're                                  [Hey]     [Make believe]                                                                          [We're on a boat]                                           [(sig. phrase)]    [We're on a merry-go-round]                                 .....Going up and down. / C'mon! / Hold on to me. / Bounce me /                [on your knee].                                                                (5) POSITIVE RESPONSE (Bounce): <A>                                            Wow!             That's / great!                                               [(laugh)]        [This is / so much fun].                                      [(sig. phrase)]  [Yay! / Faster!]                                              [(giggle)]       Faster! / Faster!]                                            (6) POSITIVE OTHERS RESPONSE (Bounce): <B:C>                                           Yah!                                                                           [Faster!]                                                                      [Wow!]                                                                         [That's / great!]                                                      (7) STOP RESPONSE (Bounce): <A>                                                Hey      That's enough!                                                        [Uh-oh]  [All this / bouncing up and down / makes me dizzy].                   Wow!     That was fun! You're / a good friend.                                 [(sig. phrase)]                                                                         [That was / so much fun]                                                                     [I'm glad you're here].                                 (8) NEGATIVE RESPONSE (Not Bounce): <A>                                        C'mon!       Hold on to me! / OK?                                              [Aw c'mon!]  [ I just love / playing pretend / but you'll                      have to help me].                                                              [Hey]                                                                          (9) 2ND NEGATIVE (Not Bounce): <A>                                             Y'know what?   I don't like / playing pretend.                                 [Ok]                                                                           Hey            Don't you wanna play with me?                                   [(sob)]        Please! / Talk to me].                                          [Aw c/mon!     [Please! / Be my friend].                                                      [Let's play / ok?]                                              =HRE=                                                                          SESSION III                                                                    (10) THIRSTY COMMENT: <A>                                                      WOW!        [All his] / bouncing up and down / makes me                                    awfully thirsty.                                                   [Whew]                                                                         [Y'know what?]                                                                 [Hey]                                                                          [(sig. phrase)]                                                                __________________________________________________________________________

Referring to Table II, assume that a doll has made an FT1 transmission and has become an A doll. The FT1 transmission will identify the A doll. This FT1 transmission has identified the routine "Pretend" and the session to any other operative dolls within broadcast range. Now, the other dolls, if more than one, will determine who will be the B doll. This is accomplished in a random manner. Briefly refer to FIG. 4.

Random number generator 17 will again load a random number in counter 18 if an FT1 transmission has been received. Counter 18 will be decremented by clock pulses and when the counter reaches zero and no FT2 transmissions have been received the doll will be established as a B doll and will make an FT2 transmission. A network has now been established between A and B dolls, and other dolls are C dolls. It will be understood that all dolls have essentially the same stored vocabulary and may be A, B or C dolls. If not the same, the vocabularies will be compatible.

At time t5 (FIG. 2), doll A will make a FT3 transmission to doll B which has broadcast its identification number in its FT2 transmission.

Doll A will look at a counter and dependent on a number in its least significant bits select a phrase shown as

Y'KNOW WHAT

or

SIGNATURE PHRASE

A signature phrase is one such as

GEE

WOWIE

OH MY GOODNESS

which is randomly selected when the doll is first powered up. Then the doll will randomly select a second phrase as shown under (1). These phrases are uttered in synthesized speech between times t₅ and t₆ (FIG. 2) and at time t₇ broadcasts an FT4 transmission. This may elicit a positive response from B and C (if present) as shown under (2) or a negative response as shown under (3). The type of response is randomly ordered by byte 9 as shown in Table I, and occurs between times t₁₁ and t₁₂ as shown in FIG. 2.

The A doll receives this return FT4 transmission from the B doll and then makes an FT4 transmission which will terminate this session.

In the program for this routine a HRE event now occurs. Refer again to FIG. 3. All dolls will now generate a random number in generator 17 and apply it to counter 18 to determine who will be the A doll. However at this time the selected routine of Table II is still operative and the remaining sessions will follow as shown.

In the routine of Table II if there is no FT2 response the A doll will initiate a HRE signal. If there is still no response the A doll will proceed through steps (4), (5), (7), (8), or (9), and then initiate another HRE. If there is still no response the doll will go to step (10) and then randomly select another routine.

The phrases for the routine shown in Table III are stored in the speech data table of ROM 12 in addressable locations as shown in Table III.

                  TABLE III                                                        ______________________________________                                         VOCABULARY AND CONCATENATION LIST                                              REPRESENTATIVE OF TABLE II                                                     ADDRESS       PHRASE                                                           ______________________________________                                         213           Y'know what                                                      81            It's fun                                                         187           To play pretend                                                  79            Isn't it                                                         37            Do you like                                                      134           Playing pretend                                                  62            I do                                                             78            I really like                                                    134           Playing pretend                                                  33            Don't you                                                        211           Yeah                                                             80            It's                                                             52            Great                                                            122           Ok                                                               66            I just love                                                      164           Sure                                                             92            Let's play                                                       171           That's                                                           159           So much fun                                                      45            Giggle                                                           118           No way                                                           115           Nope                                                             63            I don't like                                                     116           Not me                                                           84            I've got an idea                                                 93            Let's pretend                                                    199           We're on a plane                                                 53            Hey                                                              98            Make believe                                                     197           We're on a boat                                                  198           We're on a merry-go-round                                        7             And we're going up and down                                      26            C'mon                                                            56            Hold on to me                                                    17            Bounce me                                                        126           On your knee                                                     209           Wow                                                              171           That's                                                           52            Great                                                            91            Laugh                                                            181           That is                                                          211           Yeah                                                             40            Faster                                                           45            Giggle                                                           211           Yeah                                                             52            Great                                                            53            Hey                                                              172           That's enough                                                    190           Uh-oh                                                            5             All this                                                         18            Bouncing up and down                                             100           Makes me dizzy                                                   175           That was fun                                                     214           You're                                                           2             A good friend                                                    174           That was                                                         159           So much fun                                                      72            I'm glad you're here                                             26            C'mon                                                            56            Hold on to me                                                    12            Aw c'mon                                                         66            I just love                                                      21            But you will have to help me                                     213           Y'know what                                                      63            I don't like                                                     53            Hey                                                              35            Don't you want to play with me                                   156           Sob                                                              137           Please                                                           167           Talk to me                                                       16            Be my friend                                                     137           Please                                                           16            Be my friend                                                     92            Let's play                                                       5             All this                                                         18            Bouncing up and down                                             99            Makes me thirsty                                                 206           Whew                                                             213           Y'know what                                                      ______________________________________                                    

As shown the phrases are stored in packed encoded form in a speech data table in ROM 12 and may be addressed and concatenated to form alternate sentences as shown in Table II.

The operation of the system is under the control of CPU 11 which is a general purpose eight bit microprocessor which is shown in functional block diagram in FIG. 5. Microprocessor 11 includes a read only memory (ROM) 12 which includes the general program, decoding tables, speech address tables and a speech data table as hereinafter described.

The address logic comprises a first speech address register (SAR) 21 which stores the next speech data address, a second speech address register 22 and address decoder 23. The address register 22 stores the current address and provides an incrementing function for both speech data address and program address.

Also included is a program stack (PC) register 24 which stores program addresses. Table lookup is provided by an instruction decoder 32 which uses the contents of an accumulator register 25 as an address to ROM 12 through SAR 21, and then stores the contents of that address back in the accumulator register 25. When this instruction is complete, the program address is stored in PC-register 24. PC-register 24 may store several programs (routines) for recall in the event of interruptions.

The system includes a random access memory 26 which has an address counter 27, and an X-register 28, which stores the address pointer for the RAM. When not executing speech the entire RAM may be used for algorithm storage. RAM 26 will store decoded speech data and supply such data to speech synthesizer 13.

Once the starting address of speech data has been established in a speech register (SAR) 21, the first data byte indicative of the words to be spoken is transferred to a PS-register (parallel to serial register) 29 over an internal system bus 30 where this byte is serially shifted over line 31 to accumulator register 25. This speech data is unpacked, then stored in the appropriate location in RAM. The second through the final speech parameter accesses will be similarly unpacked and decoded. The PS-register 29 is emptied of its contents by eight serial shifts. The next data byte is then transferred from the speech table to the PS-register. Once the initial speech address register value is established and the initial byte placed in the PS-register, subsequent acquisitions of data bytes are transferred from the speech data table to the PS-register, then to the accumulator and subsequently to the random access memory (RAM) 26.

The address decoder 23 in response to register 22 and will locate selected speech data bights in the speech table. The speech address register 21 verifies each by location. The address counter 22 will then increment or decrement to the addressed location. This information is then applied to the address decoder.

The accumulator register 25 is a general purpose register which provides an accumulation function for an arithmetic logic unit (ALU), Serial/Parallel conversion for speech data unpacking, and Table Lookup Address Source.

B-register 30 is also a general purpose register. The B-register is provided to serve as a software counter register to transfer its comments to the A accumulator register, exchange the X-register and the B-register, clear the B-register, and increment the B-register.

The microprocessor 11 further includes a prescaler register 33 and a timer register 34. This prescaler register is cascaded with the timer register. When the prescale register counts down to zero, it is loaded with the value stored in a preset latch. This preset latch is loaded by the instructions from the accumulator. When the prescale register counts down to zero, it also sends a decrement pulse to the timer.

The CPU 11 further includes a plurality of data ports 34 and 35. The RF transceiver 15 is shown coupled to data port 34. A motion and position sensor 36 is coupled to data post 35. Each unit may also receive other inputs such as sound level, body position sensor and push button inputs.

The ROM is organized to store the following information.

1. Programs for routines as exemplified in Table II.

2. A sentence table with pointers for,

3. A phrase table with pointers for

4. A concatenation table with pointers to a

5. Speech table, and

6. Algorithms for generating random numbers.

The SAR 21 points to the sentence table though address decode 23. The sentence table then points to a table of a list of phrases of which the sentence is constructed, and the phrase table points to phrases in the concatenation table. The concatenation table then points to data in the speech data table.

As shown in Table II, a routine is identified in the program routine table, identified in the sentence table, but requires phrases to be selected to form a sentence The sentences are formed from a vocabulary of concatenation list as exemplified in Table III.

The speech data for forming the sentences shown in Table II are stored in ROM 12 in phrases as shown in Table III. The routine Pretend is randomly selected and stored in the PC-register 24.

The SAR 21 under the control of the PC-register 24 then addresses the ROM through address register 22, address decoder 23 to the sentence table in ROM 12. The sentence table then points to the phrase table to select the phrases to be used in constructing a sentence. The phrase table in turn points to the concatenation table which selects the word bytes in the speech data table which are sead out to PS register 29. The bytes are transferred to accumulator 25 for unpacking and then stored in predetermined location in RAM 26. When all of the phrases of a sentence are stored in RAM 26, the system is ready to have the synthesizer 13 make a literal utterance and such literal utterance is then made upon address by the X-register 27. The synthesizer 13 then converts the digital speech data into an analog signal which is applied to speaker 14 and the sentence is uttered.

Assume that the literal utterance has now been made by an A doll. The data stored in RAM is supplied to the RF transmitter in the form shown in Table I and transmitted to the other doll where it is stored in RAM. The B doll has established the routine in its PC-register 24 and will now select an appropriate response from one of the possible responses as shown in Table II. The response is done on a random basis dependent on the existing least significant bits in a counter, which may be B-register 30, and whether the A doll has called for a positive or negative response in its envelope transmission as shown in Table I.

In the routine exemplified, a positive interaction is called for with the child, namely BOUNCE. The doll includes a motion and position sensing device 36 which is disclosed and claimed in copending application Ser. No. 07/011,836 filed Feb. 6, 1987. When motion is sensed one of statements (7), Table II will be selected for speech. If no motion is detected, then a negative statement as shown in (8) of (9) of Table II will be made.

When a doll is established as an A doll and makes an FT1 transmission, it identifies the routine to be followed. This is remembered by the B and C dolls and they will remember their designation (B or C) throughout the routine. This designation may be stored in the PC-register so that only appropriate responses will be made when SAR 21 addresses ROM 12.

During a routine, when an HRE occurs (2 shown in Table II) the designation as A, B, or C dolls may change, but the same routine continues until the routine is completed.

Table IV sets forth a single doll routine which is an interrupt. When an on-going routine is interrupted it is stored in a stack in the PC-register 24 for recall and completion after interruption.

                  TABLE IV                                                         ______________________________________                                         UPSIDE DOWN INTERRUPT ROUTINE                                                  ______________________________________                                         (1) REACTION X:                                                                Hey           I'm upside down.                                                 [0h-0h]       [You're / upside down].                                          [(sig. phrase)]                                                                              [I don't like / standing on my head].                            (2) REQUEST X (Position Sensor):                                               Please        Turn me over                                                     [Aw C'mon!]                                                                    (3) POSITIVE RESPONSE X (Not down):                                            Whew          That's / much better!                                            [(siqh)]      [Thanks so much / I feel a lot better]                           (4) NEGATIVE RESPONSE X (Down):                                                [Aw c'mon]    Being upside down / makes me dizzy.                              [Hey]         [Please! / Turn me over!]                                        [(sig. phrase)]                                                                              [Y'know what? / I'm still / standing                             on my head].                                                                   (5) REACTION Y (Position Sensor):                                              [Hey]  [That's / great!]                                                                           I just love                                                                               Standing on my head.                            [(giggle)]                                                                            [Do that again!]                                                                            [I really like]                                            (6) NEGATIVE RESPONSE Y (Down):                                                [Hey          That's enough!                                                   [ Aw c'mon!]  [I'm still / standing on my head].                               [Ok]          [I dont'  like / standing on my head].                           [(sig. phrase)]                                                                [Excuse me]                                                                    ..... please / turn me over. / Ok?                                             (7) THIRSTY COMMENT:                                                           Wow!          [All his] / standing on my head /                                makes me awfully thirsty.                                                      [whew]                                                                         [Y'know what?]                                                                 [Hey]                                                                          [(sig. phrase)]                                                                ______________________________________                                    

In this routine the position of the doll being head down is sensed by sensor 36, and an interrupt signal is received at data port 35. The on-going routine will be interrupted and pushed down in the PC-register stack, then the routine of Table IV will be executed.

It may thus be seen that the objects of the invention set forth as well as those made apparent from the foregoing description are efficiently attained. While preferred embodiments of the invention have been set forth for purposes of disclosure, modification of the disclosed embodiments of the invention as well as other embodiments thereof may occur to those skilled in the art. Accordingly, the intended claims are intended to cover all of the embodiments of the invention and modifications to the disclosed embodiments which do not depart from the spirit and scope of the invention. 

Having thus described the invention, what is claimed is:
 1. A plurality of talking toys, each includinga central processing unit, a speech synthesizer including a digital to analog converter, a memory for storing speech data in digital form, a speaker coupled to said digital to analog converter to produce synthesized human speech, said central processing unit being arranged to access said memory to select speech data therefrom and supply said accessed data to said synthesizer, said speech data being stored in said memory in addresses which may be accessed to produce phrases of human speech, said speech data being categorized into speech routines where a routine is a series of statements from one toy to another and answers from said another toy, where each routine is one or more statements from said one toy and intelligent answer from said another toy, each toy having a radio frequency transmitter and receiver coupled to its central processing unit to broadcast a binary encoded signal and to receive a binary encoded signal indicative of a routine and a session within said routine, each central processing unit having means for randomly selecting a routine and transmitting a first broadcast including an identification of said routine, each toy having means for receiving said broadcast of a routine and responding with a second broadcast that said first broadcast has been received, said toy making said first broadcast upon receipt of said second broadcast being effective to access its associated memory for digital speech data from its memory for said routine and supply said speech data to said synthesizer for conversion to synthesized speech, and further effective to make a third broadcast of digital data over said RF transmitter indicating that speech has been synthesized, and further indicating that the third transmission requests an answer, said toy making said second broadcast and receiving said third broadcast being effective to randomly access one of a plurality of intelligent responses from its associated memory in accordance with the identified routine and cause its associated synthesizer to synthesize a response and further broadcast a fourth binary encoded signal to said other central processing unit indicative of the response made.
 2. The toys of claim 1 where said routines comprise a plurality of sessions of speech and a session termination signal is transmitted by said toy making said third transmission.
 3. The toys of claim 2 where a routine is commenced by a toy transmitting a RF signal after a random timing period.
 4. The toys of claim 2 where at the end of a session each control central processing unit commences another random timing period to determine which toy will initiate the session.
 5. The toys of claim 1 where each of said toys has a random timing means to determine which will speak first in a routine.
 6. A plurality of talking toys, each includinga central processing unit, a speech synthesizer including a digital to analog converter, a memory for storing speech data in digital form, a speaker coupled to said digital to analog converter to produce synthesized human speech, said central processing unit being arranged to access said memory to select speech data therefrom and supply said accessed data to said synthesizer, said speech data being stored in said memory in addresses which may be accessed to produce phrases of human speech, said speech data being categoratized into speech routines where a routine is a series of statements from one toy to another and answers from said another toy, and sessions within said routines where each session is a one or more statements from said one toy and intelligent answers from said another toy, each toy having a radio frequency transmitter and receiver coupled to its central processing unit to broadcast a binary encoded signal and to receive a binary encoded signal indicative of a routine and a session within said routine, each central processing unit having means for randomly selecting a routine and transmitting a first broadcast including an identification of said routine, each toy having means for receiving said broadcast of a routine and responding with a second broadcast that said first broadcast has been received, said toy making said first broadcast upon receipt of said second broadcast being effective to access its associated memory to unpack digital speech data from its memory for a first session of said routine and supply said unpacked data to said synthesizer for conversion to synthesized speech, and further effective to make a third broadcast of digital data over said RF transmitter indicating that speech has been synthesized, and further indicating that the third transmission requests an answer, said toy making said second broadcast and receiving said third broadcast being effective to randomly access one or a plurality of intelligent responses from its associated memory in accordance with the identified routine and session and cause its associated synthesizer to synthesize a response and further broadcast a fourth binary encoded signal to said other CPU indicative of the response made, said toy making said first broadcast being effective upon receipt of said fourth broadcast, to provide a final broadcast which terminates said session.
 7. A method of operating two or more toys to simulate human speech where each toy has an internal speech synthesizer, a central processing unit, an addressable memory, a digital-to-analog converter, and a speaker, the digital output of said synthesizer being converted to audio by said digital-to-analog converter and applied to said speaker to produce human speech, and further including a radio transmitter and receiver which comprises the steps ofstoring in the memory of each toy a plurality of speech routines, where each routine comprises a plurality of sessions, each session comprising an opening statement and one or more appropriate responses, storing in said memory digital data comprising a vocabulary of segments of human speech which may be concatenated into phrases for said sessions ramdomly selecting a speech routine from said memory from a first one of said toys, transmitting a digital code from said first toy indicative of said randomly selected routine via said transmitter, said digital code identifying the randomly selected routine, causing said routine to select from said memory digital data for a first phrase of said session of said routine and applying said selected digital data to said synthesizer to utter a simulated phrase of human speech, receiving said transmitted digital code at a second of said toys and identifying said routine, utilizing said routine for selecting from the memory of said second toy digital data indicative of an intelligent response to the utterance of said first toy, applying the digital data from the memory of said second toy to the synthesizer of said second toy to cause said second toy to utter a phrase in apparent response to the phrase of said first toy, transmitting an encoded response signal from said second toy indicative of the utterance of said second toy, receiving said encoded response signal at said first toy, and initiating another session.
 8. In combination, (a) a talking doll; and (b) a signal generating toy external to said doll for eliciting speech from said doll, said talking doll includinga central processing unit, a speech synthesizer including a digital to analog converter, a memory for storing speech data in digital form indicative of words and phrases, a speaker coupled to said digital to analog converter to produce synthesized human speech in words and phrases, said central processing unit being arranged to access said memory to select speech data therefrom and supply said accessed data to said synthesizer, said speech data being stored in said memory in addresses which may be accessed to produce word phrases of human speech, said doll having a radio frequency receiver coupled to said central processing unit to receive a multiplicity of distinct binary encoded signals corresponding to different ones of said multiplicity of addresses and indicative of speech data to be elicited from said memory; said external signal generating toy including a second memory for storing a multiplicity of distinct binary encoded instructions including distinct addresses of speech data stored in said doll memory and radio frequency signal transmitting means, said external signal generating toy being effective to select binary encoded instructions from said second memory and being effective to operate said signal transmitting means to transmit to said doll a radio frequency signal including a selected one of said multiplicity of distinct binary encoded instructions for eliciting speech data from said memory of said doll for reproduction in words and phrases.
 9. The combination of claim 8 wherein said external signal generating toy is a second talking doll having the same logic circuitry as said first mentioned talking doll.
 10. The combination of claim 8 wherein the stored speech data is categorized into a plurality of speech routines comprising a series of statements, and wherein said central processing unit includes means to randomly select a routine.
 11. The combination of claim 9 wherein the stored speech data is categorized into a plurality of speech routines comprising a series of statements; wherein said central processing unit includes means for randomly selecting a routine; wherein said first mentioned doll also has a radio frequency transmitter coupled to its central processing unit; wherein each of said first mentioned doll and said second doll has random timing means for determining which doll will synthesize speech first in a speech routine; and wherein a routine is commenced by one of said dolls transmitting an RF signal after a random timing period.
 12. The combination of claim 11 wherein said routines comprise a plurality of sessions of speech, and wherein a session termination signal is transmitted by one of said dolls at the end of a session of speech.
 13. The combination of claim 12 wherein, at the end of a session, the random timing means of each doll commences another random timing period to determine which doll will synthesize speech first in a routine.
 14. In combination, (a) a talking doll; and (b) a signal generating toy external to said doll for eliciting speech from said doll, said talking doll includinga central processing unit, a speech synthesizer including a digital to analog converter, a memory storing speech data in digital form indicative of words and phrases, a speaker coupled to said digital to analog converter to produce synthesized human speech, said central processing unit being arranged to access said memory to select speech data therefrom and supply said accessed data to said synthesizer, said speech data being stored in said memory in addresses which may be accessed to produce word phrases of human speech, said doll having a radio frequency receiver coupled to said central processing unit to receive a multiplicity of distinct binary encoded signals corresponding to different ones of said multiplicity of addresses indicative of speech data to be elicited from said memory; said external signal generating toy including a memory for storing a multiplicity of binary encoded instructions including distinct addresses of speech data stored in said doll memory and radio frequency signal generating means, said external signal generating toy being effective to select binary encoded instructions from said second memory and being effective to operate said signal generating means to transmit a radio frequency signal including selected one of said multiplicity of distinct binary encoded instructions and addresses to said doll for eliciting speech data from said memory of said doll for reproduction in words and phrases, the stored speech data being categorized into a plurality of speech routines comprising a series of statements, and said central processing unit including means to select a routine in response to said selected binary encoded signal indicative of speech data.
 15. In combination, (a) a talking doll; and (b) a signal generating toy external to said doll for eliciting speech from said doll said talking doll includinga central processing unit, a speech synthesizer including a digital to analog converter, a memory storing speech data in digital form, a speaker coupled to said digital to analog converter to produce synthesized human speech, said central processing unit being arranged to access said memory to select speech data therefrom and supply accessed data to said synthesizer, said speech data being stored in said memory in addresses which may be accessed to produce word phrases of human speech, said doll having a radio frequency receiver coupled to said central processing unit to receive a binary encoded signal indicative of speech data to be elicited from said memory; said signal generating toy including means for transmitting to said doll a radio frequency signal having binary encoded instructions for eliciting speech data from said memory of said doll, said signal generating toy being a second talking doll having the same logic circuitry as said first mentioned talking doll, and the stored speech data is categorized into a plurality of speech routines comprising a series of statements; said central processing unit including means for randomly selecting a routine; said first mentioned doll also having a radio frequency transmitter coupled to its central processing unit; each of said first mentioned doll and said second doll having random timing means for determining which doll will synthesize speech first in a speech routine; and wherein a routine is commenced by one of said dolls transmitting a radio frequency signal after a random timing period.
 16. The combination of claim 15 wherein said routines comprise a plurality of sessions of speech, and wherein a session termination signal is transmitted by one of said dolls at the end of a session of speech.
 17. The combination of claim 16 wherein, at the end of a session, the random timing means of each of said dolls commences another random timing period to determine which doll will synthesize speech first in a routine. 